Max 401k 2024 Contribution Limit Irs. The contribution limit for 401(k)s, 403(b)s, most 457 plans and the federal government's thrift savings plan is $23,000 for 2024, up from $22,500 in 2023. This limit includes all elective employee salary deferrals and any contributions made to a designated roth.
The basic employee contribution limit for 2024 is $23,000 ($22,500 for 2023). Some retirement plans have lower limits, so check the details of your allowable.